Watch List notes:

China (People's Republic), silver proof 100 yuan (12 oz) Panda, 1991, NGC PF 69 Ultra Cameo ("top pop"). KM-352; PAN-153A. Commonest grade in the current NGC census but none higher at MS 70. Mintage: 2,500 (planned; actual and surviving unknown). Pedigreed to the Gansu Collection of Chinese Panda Coinage.

Estimate: $600 - $900